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3 years ago

15

Please help me; )!!!!!!!!!!!!!

1 answer:

Vaselesa [24]3 years ago

5 0

To show how you decided, the simple way would be to draw a picture. Create 2 rectangles of the same length and divide them up according to the fraction. Then shade the number of pieces for the numerator and compare both fractions. Whichever is longer is the greater fraction.

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In the expression below, a is an integer. 12^3+ax-20 if 3x+4 is a factor of the expession above, what is the value of a

SVEN [57.7K]

Our function is:

$f(x)=12^3+ax-20$

Now, if $3x+4$ is a factor of $f(x)$ then $x=\frac{-4}{3}$ must satisfy the equation:

So, $f(\frac{-4}{3} )=0$

Putting $x=\frac{-4}{3}$

We get,

$f(\frac{-4}{3} )=12^3+a(\frac{-4}{3} )-20=0$

$12^3+\frac{-4}{3} a-20=0$

$\frac{-4}{3} a=20-12^3=20-1708$

$a=-1708 \times \frac{-3}{4} =1281$

So, the value of 'a' for the given expression is 1281.

4 0

2 years ago

0.0084 scientific notation

kogti [31]

Answer:

8.4*10^-3

Step-by-step explanation:

Move the decimal point 3 places in order to get a number in the one's place.

7 0

3 years ago

Read 2 more answers

Since 20% or 1/5, is ___, there will be ___ word problems on the test

VARVARA [1.3K]

Answer:

10

10

Step-by-step explanation:

One fifth of fifty is 10.

3 0

3 years ago

Please help with this

ololo11 [35]

Answer:

$f(x) = 100(1.05)^t$

8 0

2 years ago

For brainly and points thank you<br> dont mind the thing i clicked it was by mistake

Inga [223]

Answer:

C) x = 1

Step-by-step explanation:

By adding the like terms you get

-12x + 10 = -10x + 8

then you add 12x to both sides and subtract 8 to both sides and get

2 = 2x

which then you would divide 2 by 2 and get 1

7 0

2 years ago